div{
    width: 300px;
    height: 100px;
    border: 1px solid #000;
    box-shadow: 5px 5px 2px #5daca9,5px -5px 2px #5daca9,-5px -5px 2px #5daca9;
    margin: 100px auto;
    position: relative;
    /*background-image: url("../imgs/bg.png");*/
}